Finding the Fourth Proportional to 165,190.32, 247,785.84 and 40,531.68
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Solution
The fourth proportional to 165,190.32, 247,785.84 and 40,531.68 is: 60,797.61
Step by Step Solution
- Step 1: Write the proportion equation
165,190.32 : 247,785.84 = 40,531.68 : x - Step 2: Convert to fraction form
165,190.32/247,785.84 = 40,531.68/x - Step 3: Cross multiply
165,190.32x = 247,785.84 × 40,531.68 - Step 4: Simplify right side
165,190.32x = 10,043,176,375.41 - Step 5: Solve for x
x = 10,043,176,375.41/165,190.32 - Step 6: Final answer
x = 60,797.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.